@article{liu2019k,
  title={K-BERT: Enabling Language Representation with Knowledge Graph},
  author={Liu, Weijie and Zhou, Peng and Zhao, Zhe and Wang, Zhiruo and Ju, Qi and Deng, Haotang and Wang, Ping},
  journal={arXiv preprint arXiv:1909.07606},
  year={2019}
}